The point of a job interview is to tell a narrative. Think about what type of narrative you want to tell. It needs to be...I am the best X for you. You know

The point of a job interview is to tell a narrative. Think about what type of narrative you want to tell. It needs to be...I am the best X for you. You know your own life, so you just plug in those experiences into your narrative and you have an awesome interview. Basically, once you do this you only have to worry about your competency. Which you sound very competent, so that is less of a concern and you can now relax because you have both the job down both is skills and narrative department.